On risk............

"There is as much risk in doing nothing as in doing something."
-Trammell Crow


"Security is mostly a superstition. It does not exist in nature, nor do the children of men as a whole experience it. Avoiding danger is no safer in the long run than outright exposure. Life is either a daring adventure, or nothing." 
-Helen Keller


"When everyone feels that risks are at their minimum, over-confidence can take over and elementary precautions start to get watered down."
-Ian Macfarlane 


"This report, by its very length, defends itself against the risk of being read."
-Winston Churchill


"If you are not willing to risk the unusual, you will have to settle for the ordinary."
-Jim Rohn


"Once we believe in ourselves, we can risk curiosity, wonder, spontaneous delight, or any experience that reveals the human spirit."
-e.e. cummings


"You can measure opportunity with the same yardstick that measures the risk involved. They go together."
-Earl Nightingale


"We must have courage to bet on our ideas, to take the calculated risk, and to act. Everyday living requires courage if life is to be effective and bring happiness."
-Maxwell Maltz


 "One of the reasons people stop learning is that they become less and less willing to risk failure."
-John W. Gardner


"Be wary of the man who urges an action in which he himself incurs no risk."
-Seneca